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Correct Answer: W. C. RoentgenWilhelm Conrad Roentgen. Wilhelm Roentgen, a German professor of physics, was the first person to discover electromagnetic radiation in a wavelength range commonly known as X-rays today. Although, many people had observed...Read more
Correct Answer: Arogya RakshaThe Chief Minister dedicated the two schemes, Arogya Raksha and Swasta ... Chandrababu Naidu Launches Arogya Raksha Scheme to cover APL Families ... Raksha Scheme...Read more
Correct Answer: EcosystemThe trophic level of an organism is the position it occupies in a food chain. The word trophic derives from the Greek(trophē) referring to food or nourishment. A food chain represents a succession of organisms tha...Read more